JP3133071U - Fuel cell current collector - Google Patents

Fuel cell current collector Download PDF

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JP3133071U
JP3133071U JP2007002734U JP2007002734U JP3133071U JP 3133071 U JP3133071 U JP 3133071U JP 2007002734 U JP2007002734 U JP 2007002734U JP 2007002734 U JP2007002734 U JP 2007002734U JP 3133071 U JP3133071 U JP 3133071U
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current collecting
plate
fuel cell
current collector
cell according
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錫銘 許
倉銘 張
俊▲うぇ▼ 潘
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勝光科技股▲ふん▼有限公司
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0269—Separators, collectors or interconnectors including a printed circuit board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0232—Metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0234—Carbonaceous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0241—Composites
    • H01M8/0243—Composites in the form of mixtures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

【課題】燃料電池の集電板の提供。
【解決手段】板体、一つ以上の接続線、一つ以上の予め製造する集電片を含む。該板体は一つ以上の集電区を具え、該接続線は該板体の表面上に設置し、該集電片は高導電性材料により製造する。該各集電片はそれぞれ緊密に接着し、しかも該板体の該各集電区を覆い、かつ該各接続線において延伸接触する。
【選択図】図２A current collector plate for a fuel cell is provided.
A plate body, one or more connecting wires, and one or more pre-manufactured current collecting pieces are included. The plate body has one or more current collecting zones, the connecting wires are installed on the surface of the plate body, and the current collecting pieces are made of a highly conductive material. Each of the current collecting pieces adheres tightly, covers the current collecting area of the plate, and extends and contacts at each connection line.
[Selection] Figure 2

Description

本考案は一種の燃料電池の集電板に関する。特に一種の高い電流収集能力を具えた集電板で、抗化学反応材料を採用し、こうして燃料或いは電化学反応生成物がその表面に対して加える破壊を効果的に防止することができる燃料電池の集電板に係る。   The present invention relates to a type of current collector for a fuel cell. In particular, it is a current collector plate with a kind of high current collection capability, and adopts an anti-chemical reaction material, thus effectively preventing the fuel or electrochemical reaction product from destroying its surface. Related to the current collector plate.

燃料電池は燃料及び酸化剤が蓄える化学エネルギーを電極反応を通して直接電気エネルギーに転化する発電装置である。燃料電池の種類は非常に多く、分類方式もそれぞれ異なる。電解質の性質の違いに基づき区分するなら、アルカリ性燃料電池、リン酸燃料電池、質子交換膜燃料電池、溶融炭酸塩燃料電池、固体酸化物燃料電池の５種に分類される。しかし、公知の燃料電池は電化学反応を行う過程において、集電板（陽極集電板と陰極集電板）が電流を収集する能力は十分に高い水準を達成できていない。しかも、燃料及び電化学反応生成物中における集電板の長期の抗腐食或いは抗酸化能力も不良で、その使用寿命を短縮している。さらに、公知の集電板は軽量化が不十分であるという欠点の他に、その製造工程は非常に煩雑である。   A fuel cell is a power generator that converts chemical energy stored in fuel and oxidant directly into electrical energy through an electrode reaction. There are many types of fuel cells, and the classification methods are different. If classified based on the difference in properties of the electrolyte, it is classified into five types: alkaline fuel cell, phosphoric acid fuel cell, mass exchange membrane fuel cell, molten carbonate fuel cell, and solid oxide fuel cell. However, in the known fuel cell, the current collecting plates (anode current collecting plate and cathode current collecting plate) are not able to achieve a sufficiently high level in the process of performing an electrochemical reaction. In addition, the long-term anti-corrosion or anti-oxidation ability of the current collector plate in the fuel and electrochemical reaction product is also poor, shortening its service life. Furthermore, the known current collector plate has a very complicated manufacturing process in addition to the disadvantage that the weight reduction is insufficient.

上記の種々の欠点を克服するため、本考案は集電能力が高く、しかも化学反応に抵抗可能な集電板を提供するものである。   In order to overcome the above-mentioned various drawbacks, the present invention provides a current collecting plate having a high current collecting ability and capable of resisting a chemical reaction.

上記課題を解決するため、本考案は下記の燃料電池の集電板を提供する。   In order to solve the above problems, the present invention provides the following current collector plate for a fuel cell.

それは燃料電池の集電板を提供し、高い電流収集能力を具え、さらにそれは燃料電池の集電板を提供し、燃料電池或いは電化学反応生成物のその表面に対する破壊の進行を効果的に防止可能で、しかも軽量で製造に有利であるなどの長所を具え。   It provides a fuel cell current collector and has a high current collection capability, which also provides a fuel cell current collector and effectively prevents the progress of destruction of the fuel cell or electrochemical reaction product to its surface It has the advantages of being possible, lightweight and advantageous for manufacturing.

すなわちそれは、板体、一つ以上の接続線、一つ以上の予め製造する集電片を含み、該板体は一つ以上の集電区を具え、該接続線は該板体の表面上に設置し、該集電片は高導電性材料により製造し、該各集電片はそれぞれ緊密に接着し、しかも該板体の該各集電区を覆い、かつ該各接続線において延伸接触する燃料電池の集電板を提供する。   That is, it comprises a plate, one or more connecting wires, one or more pre-manufactured current collecting pieces, the plate comprising one or more current collecting zones, and the connecting wires on the surface of the plate. The current collecting pieces are made of a highly conductive material, and each current collecting piece is closely adhered to each other, and covers each current collecting area of the plate body and extends in contact with each connecting line. A fuel cell current collector plate is provided.

請求項１の考案は、板体、一つ以上の接続線、一つ以上の予め製造する集電片を含み、 該板体は少なくとも１個の集電区を具え、
該接続線は該板体の表面上に設置し、
該集電片は導電性材料は高導電性材料により製造し、該集電片はそれぞれ緊密に接着し、しかも該板体の該各集電区を覆い、かつ該各接続線において延伸接触することを特徴とする燃料電池の集電板としている。
請求項２の考案は、前記集電片は延伸部を具え、しかも該延伸部は該接続線に接触し、該接続線に電気的に連接することを特徴とする請求項１記載の燃料電池の集電板としている。
請求項３の考案は、前記板体の基材は印刷回路板基板であることを特徴とする請求項１記載の燃料電池の集電板としている。
請求項４の考案は、前記板体の基材は、ＦＲ４基板、ＦＲ５基板、エポキシ樹脂基板、ガラス基板、セラミック基板、高分子塑化基板、複合式材料基板などの印刷回路板基板を採用し製造することを特徴とする請求項３記載の燃料電池の集電板としている。
請求項５の考案は、前記高導電性材料は同時に、抗腐食性及び／或いは防酸化の抗化学性材料であることを特徴とする請求項１記載の燃料電池の集電板としている。
請求項６の考案は、前記高導電性材料はステンレス材料、金材料、チタン材料、グラファイト材料、炭素金属化合物材料などから選択することを特徴とする請求項５記載の燃料電池の集電板としている。
請求項７の考案は、前記板体は該集電区範囲内において複数個の貫通孔を具えることを特徴とする請求項１記載の燃料電池の集電板としている。
請求項８の考案は、前記集電片は一つ以上の貫通孔を具え、該集電区範囲内の該各貫通孔にそれぞれ対応し、しかも該集電片の該各貫通孔の様式は該集電区範囲内の該各貫通孔の様式と一致することを特徴とする請求項７記載の燃料電池の集電板としている。
請求項９の考案は、前記貫通孔の配置はフェンス式構造を形成することを特徴とする請求項７記載の燃料電池の集電板としている。
請求項１０の考案は、前記貫通孔の配置は網状構造を形成することを特徴とする請求項７記載の燃料電池の集電板としている。
請求項１１の考案は、前記各集電片は点溶接或いはアルゴン溶接或いは粘着の方式により該板体上に圧合密着させることを特徴とする請求項１記載の燃料電池の集電板としている。
請求項１２の考案は、前記接続線は印刷式回路であることを特徴とする請求項１記載の燃料電池の集電板としている。
請求項１３の考案は、前記各集電片は粘着剤を使用し、該板体に圧合密着されることを特徴とする請求項１１記載の燃料電池の集電板としている。
請求項１４の考案は、前記粘着剤はＰｒｅｐｒｅｇ樹脂テープであることを特徴とする請求項１３記載の燃料電池の集電板としている。
請求項１５の考案は、前記粘着剤はＡＢ接着剤であることを特徴とする請求項１３記載の燃料電池の集電板としている。
請求項１６の考案は、前記各集電区は陽極集電板の板体に形成し、該各集電区の該各集電片に接着し覆い、該各膜電極組にそれぞれ接触することを特徴とする請求項１記載の燃料電池の集電板としている。 The invention of claim 1 includes a plate, one or more connecting wires, and one or more pre-manufactured current collecting pieces, the plate comprising at least one current collecting zone,
The connecting wire is installed on the surface of the plate body,
The current collecting piece is made of a highly conductive material, and the current collecting pieces are tightly bonded to each other, and each of the current collecting areas of the plate body is covered and stretched in contact with each connecting line. This is a current collector plate for a fuel cell.
2. The fuel cell according to claim 1, wherein the current collecting piece has an extending portion, and the extending portion is in contact with the connecting wire and is electrically connected to the connecting wire. The current collector plate.
The invention of claim 3 is the current collector plate of the fuel cell according to claim 1, wherein the base material of the plate body is a printed circuit board substrate.
The invention of claim 4 employs a printed circuit board substrate such as an FR4 substrate, an FR5 substrate, an epoxy resin substrate, a glass substrate, a ceramic substrate, a polymer plastic substrate, or a composite material substrate as the base material of the plate body. The current collector plate of a fuel cell according to claim 3, wherein the current collector plate is manufactured.
The invention of claim 5 is the current collector plate of the fuel cell according to claim 1, wherein the highly conductive material is simultaneously an anti-corrosive and / or anti-oxidant anti-chemical material.
6. The fuel cell current collector plate according to claim 5, wherein the highly conductive material is selected from a stainless steel material, a gold material, a titanium material, a graphite material, a carbon metal compound material, and the like. Yes.
The invention according to claim 7 is the current collector plate of the fuel cell according to claim 1, wherein the plate body has a plurality of through holes in the range of the current collector zone.
The invention of claim 8 is characterized in that the current collecting piece has one or more through-holes, each corresponding to each through-hole in the current collection area, and the form of each through-hole of the current collecting piece is 8. The current collector plate of a fuel cell according to claim 7, wherein the current collector plate matches the type of each through hole in the current collector area.
The invention of claim 9 is the current collector plate of the fuel cell according to claim 7, wherein the arrangement of the through holes forms a fence-type structure.
The invention of claim 10 is the current collector plate of the fuel cell according to claim 7, wherein the arrangement of the through holes forms a network structure.
The invention according to claim 11 is the current collector plate of the fuel cell according to claim 1, wherein each of the current collector pieces is pressed and adhered onto the plate body by spot welding, argon welding, or adhesion. .
The invention of claim 12 is the current collector plate of the fuel cell according to claim 1, wherein the connecting line is a printed circuit.
A thirteenth aspect of the present invention is the current collector plate of the fuel cell according to the eleventh aspect, wherein each of the current collector pieces uses an adhesive and is pressed and adhered to the plate body.
The invention of claim 14 is the current collector plate of the fuel cell according to claim 13, wherein the adhesive is a Prepreg resin tape.
The invention of claim 15 is the current collector plate of the fuel cell according to claim 13, wherein the adhesive is an AB adhesive.
The invention of claim 16 is characterized in that each current collecting area is formed on a plate body of an anode current collecting plate, and is adhered to and covered with each current collecting piece of each current collecting area, and is in contact with each film electrode set. The current collector plate of the fuel cell according to claim 1.

上記のように、本考案の集電板が使用する集電片は、高い導電性と抗腐食性及び／或いは防酸化の抗化学性などの特質を同時に具えるため、本考案集電板の集電能力は優越している。しかも燃料（エタノールなど）或いは電化学反応生成物の集電片表面に対する破壊を効果的に防止可能であるため、燃料電池の交換率を低下させることができる。本考案の集電板中の集電片は一種の金属箔片構造を使用可能であるため、集電片は極めて薄く、よって集電板の体積と重量を大幅に低減することができる。こうして携帯式電子製品中への応用を有利とする。本考案集電板の製造方法は、予め製造する集電片を利用し、点溶接、或いは粘着などの方式を利用し、集電片を板体上に圧合密着させるため、現行の製造工程技術に比べ、非常に便利かつ容易に運用可能である。よって本考案集電板は大量生産に有利である。   As described above, the current collector piece used by the current collector of the present invention has characteristics such as high conductivity and anti-corrosion and / or antioxidant anti-chemical properties at the same time. Current collection capacity is superior. Moreover, since the fuel (such as ethanol) or the electrochemical reaction product can be effectively prevented from being destroyed on the surface of the current collecting piece, the replacement rate of the fuel cell can be reduced. Since the current collecting piece in the current collecting plate of the present invention can use a kind of metal foil piece structure, the current collecting piece is extremely thin, and thus the volume and weight of the current collecting plate can be greatly reduced. This makes it advantageous for application in portable electronic products. The current collector plate manufacturing method uses a current collector piece manufactured in advance, uses a method such as spot welding or adhesion, and press-contacts the current collector piece on the plate body, so that the current manufacturing process Compared to technology, it is very convenient and easy to operate. Therefore, the current collector plate is advantageous for mass production.

本考案の前記の及び他の技術内容、特徴と機能について、以下に図を用い、最適実施例について詳細に説明する。本考案集電板を使用する燃料電池の立体分解図である図１に示すように、左から右に向かって、燃料電池１は陰極集電板１０、膜電極組板１２、陽極集電板１４、流道板１６を含む。該膜電極組板１２は少なくとも１個の膜電極組１２０を具え、しかも該陰極集電板１０は該膜電極組１２０構造中の陰極電極（或いは空気電極）の片側に接触する。   The above and other technical contents, features, and functions of the present invention will be described in detail below with reference to the drawings. As shown in FIG. 1, which is a three-dimensional exploded view of a fuel cell that uses the current collector plate of the present invention, the fuel cell 1 includes a cathode current collector plate 10, a membrane electrode assembly plate 12, an anode current collector plate from left to right. 14, including the flow path plate 16. The membrane electrode assembly plate 12 includes at least one membrane electrode assembly 120, and the cathode current collector plate 10 contacts one side of the cathode electrode (or air electrode) in the membrane electrode assembly 120 structure.

本考案集電板の立体分解図である図２に示すように、本考案の集電板２は図１中の燃料電池１の陰極集電板１０と陽極集電板１４に応用することができる。図２に示すように、本考案の集電板２は板体２０、接続線２０２、集電片２２を含む。該板体２０の基材は、ＦＲ４基板、ＦＲ５基板、エポキシ樹脂基板、ガラス基板、セラミック基板、高分子塑化基板、複合式材料基板などの印刷回路板基板を採用し製造することができる。図２に示すように、該板体２０はさらに１個以上の集電区２００を設置する。該集電区２００は、該集電区２００範囲内の板体２０に予め金属をエッチングにより除去する過程を施し絶縁区を形成し、或いは該板体２０上の該集電区２００と該接続線２０２以外の薄金属層をエッチングにより除去し、金属導電配線を形成する。しかも、該各集電区２００の所在位置はそれぞれ図１に示す燃料電池１の各膜電極組１２０の所在位置に対応する。さらに、該板体２０の厚みは方向上において、該集電区２００に属する板体２０を該複数個の貫通孔２００ａに貫通させる。これにより、該燃料エネルギーは該貫通孔２００ａを通過し、該膜電極組１２０に流入する。同時に、該膜電極組１２０は電化学反応後に生成される反応物（二酸化炭素など）において、該貫通孔２００ａを通過し流出する。   As shown in FIG. 2 which is a three-dimensional exploded view of the current collector plate of the present invention, the current collector plate 2 of the present invention can be applied to the cathode current collector plate 10 and the anode current collector plate 14 of the fuel cell 1 in FIG. it can. As shown in FIG. 2, the current collector plate 2 of the present invention includes a plate body 20, connection wires 202, and current collector pieces 22. The base material of the plate body 20 can be manufactured by adopting a printed circuit board substrate such as an FR4 substrate, an FR5 substrate, an epoxy resin substrate, a glass substrate, a ceramic substrate, a polymer plastic substrate, or a composite material substrate. As shown in FIG. 2, the plate body 20 is further provided with one or more current collecting zones 200. The current collecting area 200 forms an insulating area by subjecting the plate body 20 in the range of the current collecting area 200 to a process of removing metal by etching in advance, or the current collecting area 200 on the plate body 20 is connected to the current collecting area 200. The thin metal layer other than the line 202 is removed by etching to form a metal conductive wiring. In addition, the location of each current collecting area 200 corresponds to the location of each membrane electrode set 120 of the fuel cell 1 shown in FIG. Furthermore, the thickness of the plate body 20 allows the plate body 20 belonging to the current collecting area 200 to penetrate through the plurality of through holes 200a in the direction. As a result, the fuel energy passes through the through hole 200 a and flows into the membrane electrode set 120. At the same time, the membrane electrode set 120 flows out through the through-hole 200a in the reactant (carbon dioxide or the like) generated after the electrochemical reaction.

本考案の板体２０は１本以上の接続線２０２を含み、該板体２０の表面上に設置する。しかも、印刷式回路（ｐｒｉｎｔｅｄ ｃｉｒｃｕｉｔｒｙ）により具体的に実施することができる。   The plate 20 of the present invention includes one or more connecting wires 202 and is installed on the surface of the plate 20. In addition, the present invention can be specifically implemented by a printed circuit.

さらに、本考案の集電板２は少なくとも１個の予め製造する集電片２２を含む。該集電片２２は高導電性材料を使用し、しかも抗腐食及び／或いは防酸化の抗化学性材料である。この種の高導電性材料はステンレス材料、金材料、チタン材料、グラファイト材料、炭素金属化合物材料などから選択する。しかも、図１に示すように、該各集電片２２はそれぞれ緊密に接触し、かつ該板体２０の該各集電区２００を覆い、該各接続線２０２に延伸接触する。さらに、図２に示すように、該集電片２２は延伸部２２２を具え、該延伸部２２２は該接続線２０２に接触することができ、該接続線２０２に電気的に連接し、最後に図１に示す陰極集電板１０と陽極集電板１４となる。製造工程では、該各集電片２２は点溶接、或いはアルゴン溶接、或いは粘着の方式により該板体２０上に圧合密着させる。一種の粘着剤（Ｐｒｅｐｒｅｇ樹脂テープ、ＡＢ接着剤など）を使用し、該集電片２２を該板体２０に圧合密着させることができる。   Further, the current collector plate 2 of the present invention includes at least one pre-manufactured current collector piece 22. The current collecting piece 22 uses a highly conductive material, and is an anti-corrosion and / or anti-oxidation anti-chemical material. This type of highly conductive material is selected from stainless steel materials, gold materials, titanium materials, graphite materials, carbon metal compound materials, and the like. In addition, as shown in FIG. 1, the current collecting pieces 22 are in close contact with each other, cover the current collecting areas 200 of the plate 20, and extend and contact the connecting lines 202. Further, as shown in FIG. 2, the current collecting piece 22 includes an extending portion 222, and the extending portion 222 can contact the connecting wire 202, and is electrically connected to the connecting wire 202. The cathode current collector plate 10 and the anode current collector plate 14 shown in FIG. In the manufacturing process, the current collecting pieces 22 are pressed and adhered onto the plate body 20 by spot welding, argon welding, or adhesion. A type of pressure-sensitive adhesive (Prepreg resin tape, AB adhesive, etc.) can be used to press-fit the current collecting piece 22 to the plate 20.

図１に示すように、本考案集電板２の集電区２００は該燃料電池１中の陽極集電板１４の板体に形成することができ、しかも該各集電区２００の該各集電片１４０に密着し覆い、該燃料電池１中の膜電極組１２０に接触する。さらに、該陽極集電板１４と該流道板１６が接触する表面は、該各集電区２００範囲内の薄金属層に対応し、化学エッチングなどの方式を使用し除去し、或いは該薄金属層の表面において、一層の薄テフロン（登録商標）を噴射し覆い、或いはＰｒｅｐｒｅｇ樹脂テープを接着し覆い、或いは抗腐食金属層（金、炭素、チタン、グラファイトなど）をスパッタリング（電気メッキ）する抗腐食及び／或いは防酸化などの保護プロセスを施す。   As shown in FIG. 1, the current collecting area 200 of the current collecting plate 2 of the present invention can be formed on the plate body of the anode current collecting plate 14 in the fuel cell 1. The current collector piece 140 is in close contact with and covered with the membrane electrode set 120 in the fuel cell 1. Furthermore, the surface where the anode current collector plate 14 and the flow path plate 16 are in contact corresponds to a thin metal layer within the range of each current collector zone 200 and is removed by using a method such as chemical etching or the thin metal layer. A thin layer of Teflon (registered trademark) is sprayed and covered on the surface of the metal layer, or a prepreg resin tape is adhered and covered, or an anti-corrosion metal layer (gold, carbon, titanium, graphite, etc.) is sputtered (electroplated). Apply protective processes such as anti-corrosion and / or anti-oxidation.

この他、図２中では、該集電片２２は１個以上の貫通孔２２０を設置し、該集電区２００範囲内の貫通孔２００ａにそれぞれ対応する。しかも該集電片２２の貫通孔２２０の様式は、該集電区２００範囲内の貫通孔２００ａと一致する。これにより、該燃料或いは空気エネルギーは該貫通孔２２０を通過することができ、さらに該板体２０の貫通孔２００ａを経由し、該膜電極組１２０に流入する。   In addition, in FIG. 2, the current collecting piece 22 is provided with one or more through holes 220 corresponding to the through holes 200 a within the current collecting area 200. In addition, the mode of the through hole 220 of the current collecting piece 22 matches the through hole 200 a within the current collecting area 200. Thereby, the fuel or air energy can pass through the through hole 220 and further flows into the membrane electrode set 120 through the through hole 200a of the plate body 20.

図２の集電板の変化実施例の立体組合せ図である図３に示すように、板体３０と集電片３２が具える貫通孔３４の配置は１種のフェンス式構造を形成する。さらに図２の集電板の別種の変化実施例の立体組合せ図である図４に示すように、板体４０と集電片４２が具える貫通孔４４の配置は１種の網状構造を形成する。すなわち図３と図４は、本考案集電板の形態が図２に示す様式に限定されないことを示しており、さらには当然各種様々な形式とすることができる。図３と図４はその内の１種に過ぎない。   As shown in FIG. 3, which is a three-dimensional combination diagram of the variation of the current collector plate of FIG. 2, the arrangement of the through holes 34 provided in the plate body 30 and the current collector pieces 32 forms a kind of fence-type structure. Further, as shown in FIG. 4, which is a three-dimensional combination diagram of another variation of the current collector plate of FIG. 2, the arrangement of the through holes 44 provided in the plate body 40 and the current collector pieces 42 forms one type of network structure. To do. That is, FIG. 3 and FIG. 4 show that the form of the current collector plate of the present invention is not limited to the form shown in FIG. 2, and naturally, various forms can be adopted. 3 and 4 are just one of them.

本考案の集電板は、エタノール燃料を採用する燃料電池、或いは液体燃料を採用する燃料電池、気体燃料を採用する燃料電池、固体燃料を採用する燃料電池などの各類の燃料電池に応用することができる。   The current collector plate of the present invention is applied to various types of fuel cells such as a fuel cell employing ethanol fuel, a fuel cell employing liquid fuel, a fuel cell employing gaseous fuel, and a fuel cell employing solid fuel. be able to.

上記のように本考案の特徴と機能を以下にまとめる。
１．本考案の集電板が使用する集電片は、高い導電性と抗腐食性及び／或いは防酸化の抗化学性などの特質を同時に具えるため、本考案集電板の集電能力は優越している。しかも燃料（エタノールなど）或いは電化学反応生成物の集電片表面に対する破壊を効果的に防止可能であるため、燃料電池の交換率を低下させることができる。
２．本考案の集電板中の集電片は一種の金属箔片構造を使用可能であるため、集電片は極めて薄く、よって集電板の体積と重量を大幅に低減することができる。こうして携帯式電子製品中への応用を有利とする。
３．本考案集電板の製造方法は、予め製造する集電片を利用し、点溶接、或いは粘着などの方式を利用し、集電片を板体上に圧合密着させるため、現行の製造工程技術に比べ、非常に便利かつ容易に運用可能である。よって本考案集電板は大量生産に有利である。 The features and functions of the present invention are summarized as described above.
1. The current collector used by the current collector of the present invention has characteristics such as high conductivity and anti-corrosion and / or anti-oxidation anti-chemical properties at the same time, so the current collector of the present collector has superior current collecting ability. is doing. Moreover, since the fuel (such as ethanol) or the electrochemical reaction product can be effectively prevented from being destroyed on the surface of the current collecting piece, the replacement rate of the fuel cell can be reduced.
2. Since the current collecting piece in the current collecting plate of the present invention can use a kind of metal foil piece structure, the current collecting piece is extremely thin, and thus the volume and weight of the current collecting plate can be greatly reduced. This makes it advantageous for application in portable electronic products.
3. The current collector plate manufacturing method uses a current collector piece manufactured in advance, uses a method such as spot welding or adhesion, and press-contacts the current collector piece on the plate body, so that the current manufacturing process Compared to technology, it is very convenient and easy to operate. Therefore, the current collector plate is advantageous for mass production.

本考案集電板を使用する燃料電池の立体分解図である。It is a three-dimensional exploded view of a fuel cell using the current collector plate of the present invention. 本考案集電板の立体分解図である。It is a three-dimensional exploded view of the current collector plate of the present invention. 図２の集電板の変化実施例の立体組合せ図である。It is a three-dimensional combination figure of the change Example of the current collecting plate of FIG. 図２の集電板の別種の変化実施例の立体組合せ図である。FIG. 3 is a three-dimensional combination diagram of another variation of the current collector plate of FIG. 2.

符号の説明Explanation of symbols

１ 燃料電池
１０ 陰極集電板
１２ 膜電極組板
１２０ 膜電極組
１４ 陽極集電板
１４０ 集電片
１６ 流道板
２ 集電板
２０ 板体
２００ 集電区
２００ａ 貫通孔
２０２ 接続線
２２ 集電片
２２０ 貫通孔
２２２ 延伸部
３０ 板体
３２ 集電片
３４ 貫通孔
４０ 板体
４２ 集電片
４４ 貫通孔 DESCRIPTION OF SYMBOLS 1 Fuel cell 10 Cathode current collecting plate 12 Membrane electrode assembly plate 120 Membrane electrode assembly 14 Anode current collection plate 140 Current collection piece 16 Current passage plate 2 Current collection plate 20 Plate body 200 Current collection area 200a Through-hole 202 Connection line 22 Current collection Piece 220 Through hole 222 Extending portion 30 Plate body 32 Current collecting piece 34 Through hole 40 Plate body 42 Current collecting piece 44 Through hole

Claims (16)

板体、一つ以上の接続線、一つ以上の予め製造した集電片を含み、
該板体は少なくとも１個の集電区を具え、
該接続線は該板体の表面上に設置し、
該集電片は導電性材料は高導電性材料により製造し、該集電片はそれぞれ緊密に接着し、しかも該板体の該各集電区を覆い、かつ該各接続線において延伸接触することを特徴とする燃料電池の集電板。 Including a plate, one or more connecting wires, one or more pre-manufactured current collecting pieces,
The plate comprises at least one current collecting zone;
The connecting wire is installed on the surface of the plate body,
The current collecting piece is made of a highly conductive material, and the current collecting pieces are tightly bonded to each other, and each of the current collecting areas of the plate body is covered and stretched in contact with each connecting line. A current collector plate for a fuel cell. 前記集電片は延伸部を具え、しかも該延伸部は該接続線に接触し、該接続線に電気的に連接することを特徴とする請求項１記載の燃料電池の集電板。   2. The current collector plate for a fuel cell according to claim 1, wherein the current collecting piece includes an extending portion, and the extending portion contacts the connecting wire and is electrically connected to the connecting wire. 前記板体の基材は印刷回路板基板であることを特徴とする請求項１記載の燃料電池の集電板。   The current collector plate for a fuel cell according to claim 1, wherein the base material of the plate body is a printed circuit board substrate. 前記板体の基材は、ＦＲ４基板、ＦＲ５基板、エポキシ樹脂基板、ガラス基板、セラミック基板、高分子塑化基板、複合式材料基板などの印刷回路板基板を採用し製造することを特徴とする請求項３記載の燃料電池の集電板。   The base material of the plate body is manufactured using a printed circuit board substrate such as an FR4 substrate, an FR5 substrate, an epoxy resin substrate, a glass substrate, a ceramic substrate, a polymer plastic substrate, a composite material substrate, or the like. The current collector plate of the fuel cell according to claim 3. 前記高導電性材料は同時に、抗腐食性及び／或いは防酸化の抗化学性材料であることを特徴とする請求項１記載の燃料電池の集電板。   2. The current collecting plate for a fuel cell according to claim 1, wherein the highly conductive material is an anti-corrosive and / or antioxidant anti-chemical material at the same time. 前記高導電性材料はステンレス材料、金材料、チタン材料、グラファイト材料、炭素金属化合物材料などから選択することを特徴とする請求項５記載の燃料電池の集電板。   6. The current collecting plate for a fuel cell according to claim 5, wherein the highly conductive material is selected from a stainless material, a gold material, a titanium material, a graphite material, a carbon metal compound material, and the like. 前記板体は該集電区範囲内において複数個の貫通孔を具えることを特徴とする請求項１記載の燃料電池の集電板。   2. The current collecting plate for a fuel cell according to claim 1, wherein the plate body has a plurality of through holes within the current collecting area. 前記集電片は一つ以上の貫通孔を具え、該集電区範囲内の該各貫通孔にそれぞれ対応し、しかも該集電片の該各貫通孔の様式は該集電区範囲内の該各貫通孔の様式と一致することを特徴とする請求項７記載の燃料電池の集電板。   The current collecting piece has one or more through holes, and each of the current collecting pieces corresponds to each through hole in the current collecting area, and the type of each through hole of the current collecting piece is in the current collecting area. The current collector plate for a fuel cell according to claim 7, wherein the current collector plate matches the pattern of each through hole. 前記貫通孔の配置はフェンス式構造を形成することを特徴とする請求項７記載の燃料電池の集電板。   8. The current collector plate for a fuel cell according to claim 7, wherein the arrangement of the through holes forms a fence-type structure. 前記貫通孔の配置は網状構造を形成することを特徴とする請求項７記載の燃料電池の集電板。   8. The current collector plate of a fuel cell according to claim 7, wherein the arrangement of the through holes forms a network structure. 前記各集電片は点溶接或いはアルゴン溶接或いは粘着の方式により該板体上に圧合密着させることを特徴とする請求項１記載の燃料電池の集電板。   2. The current collector plate for a fuel cell according to claim 1, wherein each of the current collector pieces is pressed and adhered onto the plate body by spot welding, argon welding or adhesion. 前記接続線は印刷式回路であることを特徴とする請求項１記載の燃料電池の集電板。   2. The current collector plate for a fuel cell according to claim 1, wherein the connection line is a printed circuit. 前記各集電片は粘着剤を使用し、該板体に圧合密着されることを特徴とする請求項１１記載の燃料電池の集電板。   12. The current collecting plate of a fuel cell according to claim 11, wherein each current collecting piece uses an adhesive and is pressed and adhered to the plate body. 前記粘着剤はＰｒｅｐｒｅｇ樹脂テープであることを特徴とする請求項１３記載の燃料電池の集電板。   14. The current collecting plate for a fuel cell according to claim 13, wherein the adhesive is a Prepreg resin tape. 前記粘着剤はＡＢ接着剤であることを特徴とする請求項１３記載の燃料電池の集電板。   The current collecting plate for a fuel cell according to claim 13, wherein the adhesive is an AB adhesive. 前記各集電区は陽極集電板の板体に形成し、該各集電区の該各集電片に接着し覆い、該各膜電極組にそれぞれ接触することを特徴とする請求項１記載の燃料電池の集電板。   2. Each of the current collecting areas is formed on a plate body of an anode current collecting plate, and is adhered to and covered with each current collecting piece of each current collecting area, and is in contact with each film electrode set. The collector plate of the fuel cell as described.
JP2007002734U 2006-04-18 2007-04-17 Fuel cell current collector Expired - Fee Related JP3133071U (en)

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